Optical sight for day and night use



FIG. 1 is a front, left and top perspective view of an optical sight for day and night use, showing my design.

FIG. 2 is a rear, right and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is an enlarged left side elevation view thereof.

FIG. 6 is an enlarged right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged view of detail 9 in FIG. 1 .

The broken lines depict portions of the optical sight for day and night use that form no part of the claimed design. The dot-dash broken lines in FIGS. 1 and 9 depict the boundaries of the enlargements that form no part of the claimed design. 

CLAIM The ornamental design for an optical sight for day and night use, as shown and described. 